Math Problem Statement
Graph the line with the equation y = -x - 6.
Solution
To graph the line represented by the equation , follow these steps:
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Identify the Slope and Y-intercept:
- The equation is in slope-intercept form, , where is the slope and is the y-intercept.
- Here, and . So, the slope is and the y-intercept is .
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Plot the Y-intercept:
- Start by plotting the point on the graph. This is where the line crosses the y-axis.
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Use the Slope to Find Another Point:
- The slope means that for every 1 unit you move to the right on the x-axis, you move 1 unit down on the y-axis.
- From the point , move 1 unit right (to ) and 1 unit down (to ), giving you the point .
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Draw the Line:
- Using the points and , draw a straight line through them. This line extends across the graph in both directions.
This will create the graph for the line .
Would you like further details on graphing lines, or do you have any questions?
Related Questions:
- How do you determine the slope and y-intercept from an equation?
- What steps would change if the slope were positive?
- How can you graph a line using the x-intercept and y-intercept?
- What happens to the line if you change the equation to ?
- How do you convert between different forms of linear equations?
Tip: When the slope is negative, the line falls from left to right.
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Math Problem Analysis
Mathematical Concepts
Linear Equations
Graphing Lines
Slope-Intercept Form
Formulas
y = mx + b, where m is the slope and b is the y-intercept
Theorems
Slope-Intercept Form
Suitable Grade Level
Grades 7-10